Switching apparatus and control method thereof
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United States of America Patent
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Oct 17, 2017
Issued Date -
Sep 3, 2015
app pub date -
Feb 26, 2015
filing date -
Feb 28, 2014
priority date (Note) -
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Abstract
Disclosed are a switching apparatus including an internal circuit using an inductive element and a control method thereof. The switching apparatus includes a switch that regulates a current of the inductive element, and a signal control circuit that arithmetically calculates a turn-off time point of the switch by using a monitoring voltage corresponding to the current of the inductive element, a sampling voltage of the monitoring voltage, and a reference voltage corresponding to a target average current of the inductive element, and controls the switch.
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